|
111
|
1 -- CA21001.A
|
|
|
2 --
|
|
|
3 -- Grant of Unlimited Rights
|
|
|
4 --
|
|
|
5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687 and
|
|
|
6 -- F08630-91-C-0015, the U.S. Government obtained unlimited rights in the
|
|
|
7 -- software and documentation contained herein. Unlimited rights are
|
|
|
8 -- defined in DFAR 252.227-7013(a)(19). By making this public release,
|
|
|
9 -- the Government intends to confer upon all recipients unlimited rights
|
|
|
10 -- equal to those held by the Government. These rights include rights to
|
|
|
11 -- use, duplicate, release or disclose the released technical data and
|
|
|
12 -- computer software in whole or in part, in any manner and for any purpose
|
|
|
13 -- whatsoever, and to have or permit others to do so.
|
|
|
14 --
|
|
|
15 -- DISCLAIMER
|
|
|
16 --
|
|
|
17 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
|
|
|
18 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
|
|
|
19 -- WARRANTY AS TO ANY MATTER WHATSOVER, INCLUDING THE CONDITIONS OF THE
|
|
|
20 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
|
|
|
21 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
|
|
|
22 -- PARTICULAR PURPOSE OF SAID MATERIAL.
|
|
|
23 --*
|
|
|
24 --
|
|
|
25 -- OBJECTIVE
|
|
|
26 -- Check the requirements of the revised 10.2.1(11) from Technical
|
|
|
27 -- Corrigendum 1 (originally discussed as AI95-00002).
|
|
|
28 -- A package subunit whose parent is a preelaborated subprogram need
|
|
|
29 -- not be preelaborable.
|
|
|
30 --
|
|
|
31 -- TEST DESCRIPTION
|
|
|
32 -- We create several preelaborated library procedures with
|
|
|
33 -- non-preelaborable package body subunits. We try various levels
|
|
|
34 -- of nesting of package and procedure subunits.
|
|
|
35 --
|
|
|
36 -- CHANGE HISTORY:
|
|
|
37 -- 29 JUN 1999 RAD Initial Version
|
|
|
38 -- 23 SEP 1999 RLB Improved comments, renamed, issued.
|
|
|
39 --
|
|
|
40 --!
|
|
|
41
|
|
|
42 procedure CA21001_1(X: out Integer);
|
|
|
43 pragma Preelaborate(CA21001_1);
|
|
|
44
|
|
|
45 procedure CA21001_1(X: out Integer) is
|
|
|
46 function F return Integer is separate;
|
|
|
47
|
|
|
48 package Sub is
|
|
|
49 function G(X: Integer) return Integer;
|
|
|
50 -- Returns X + 1.
|
|
|
51 Not_Preelaborable: Integer := F; -- OK, by AI-2.
|
|
|
52 end Sub;
|
|
|
53
|
|
|
54 package body Sub is separate;
|
|
|
55
|
|
|
56 begin
|
|
|
57 X := -1;
|
|
|
58 X := F;
|
|
|
59 X := Sub.G(X);
|
|
|
60 end CA21001_1;
|
|
|
61
|
|
|
62 separate(CA21001_1)
|
|
|
63 package body Sub is
|
|
|
64 package Sub_Sub is
|
|
|
65 -- Empty.
|
|
|
66 end Sub_Sub;
|
|
|
67 package body Sub_Sub is separate;
|
|
|
68
|
|
|
69 function G(X: Integer) return Integer is separate;
|
|
|
70 begin
|
|
|
71 Not_Preelaborable := G(F); -- OK, by AI-2.
|
|
|
72 if Not_Preelaborable /= 101 then
|
|
|
73 raise Program_Error; -- Can't call Report.Failed, here,
|
|
|
74 -- because Report is not preelaborated.
|
|
|
75 end if;
|
|
|
76 end Sub;
|
|
|
77
|
|
|
78 separate(CA21001_1.Sub)
|
|
|
79 package body Sub_Sub is
|
|
|
80 begin
|
|
|
81 X := X; -- OK by AI-2.
|
|
|
82 end Sub_Sub;
|
|
|
83
|
|
|
84 separate(CA21001_1.Sub)
|
|
|
85 function G(X: Integer) return Integer is
|
|
|
86
|
|
|
87 package G_Sub is
|
|
|
88 function H(X: Integer) return Integer;
|
|
|
89 -- Returns X + 1.
|
|
|
90 Not_Preelaborable: Integer := F; -- OK, by AI-2.
|
|
|
91 end G_Sub;
|
|
|
92 package body G_Sub is separate;
|
|
|
93
|
|
|
94 begin
|
|
|
95 return G_Sub.H(X);
|
|
|
96 end G;
|
|
|
97
|
|
|
98 separate(CA21001_1.Sub.G)
|
|
|
99 package body G_Sub is
|
|
|
100 function H(X: Integer) return Integer is separate;
|
|
|
101 begin
|
|
|
102 Not_Preelaborable := H(F); -- OK, by AI-2.
|
|
|
103 if Not_Preelaborable /= 101 then
|
|
|
104 raise Program_Error; -- Can't call Report.Failed, here,
|
|
|
105 -- because Report is not preelaborated.
|
|
|
106 end if;
|
|
|
107 end G_Sub;
|
|
|
108
|
|
|
109 separate(CA21001_1.Sub.G.G_Sub)
|
|
|
110 function H(X: Integer) return Integer is
|
|
|
111 begin
|
|
|
112 return X + 1;
|
|
|
113 end H;
|
|
|
114
|
|
|
115 separate(CA21001_1)
|
|
|
116 function F return Integer is
|
|
|
117
|
|
|
118 package F_Sub is
|
|
|
119 -- Empty.
|
|
|
120 end F_Sub;
|
|
|
121
|
|
|
122 package body F_Sub is separate;
|
|
|
123 begin
|
|
|
124 return 100;
|
|
|
125 end F;
|
|
|
126
|
|
|
127 separate(CA21001_1.F)
|
|
|
128 package body F_Sub is
|
|
|
129 True_Var: Boolean;
|
|
|
130 begin
|
|
|
131 True_Var := True;
|
|
|
132 if True_Var then -- OK by AI-2.
|
|
|
133 X := X;
|
|
|
134 else
|
|
|
135 X := X + 2;
|
|
|
136 end if;
|
|
|
137 end F_Sub;
|
|
|
138
|
|
|
139 with Report; use Report;
|
|
|
140 with CA21001_1;
|
|
|
141 procedure CA21001 is
|
|
|
142 X: Integer := 0;
|
|
|
143 begin
|
|
|
144 Test("CA21001",
|
|
|
145 "Test that a package subunit whose parent is a preelaborated"
|
|
|
146 & " subprogram need not be preelaborable");
|
|
|
147 CA21001_1(X);
|
|
|
148 if X /= 101 then
|
|
|
149 Failed("Bad value for X");
|
|
|
150 end if;
|
|
|
151 Result;
|
|
|
152 end CA21001;
|
